title stringlengths 0 901 | abstract stringlengths 3 9.89k | PMID int64 22 25.3M | embedding listlengths 768 768 |
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[The forameter, a device for the exact measurement of the root canal length]. | The forameter is an instrument used for measuring the length of the root canal. Here the use of the principle of resistance measurement is refined. The position of the apical foramen is shown acoustically as well as visually. This investigation gives positive results for the measurements in the treatment of devitalised... | 270,403 | [
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Neuropathy in a patient with McArdle's syndrome and diabetes mellitus. | A juvenile-type diabetic patient of five years standing presented with a mononeuritis and gave a history of painful muscle swelling induced by exertion. Failure of the blood lactate to rise during ischaemic exercise and a normal blood glucose rise following intravenous glucagon confirmed the clinical diagnosis of muscl... | 270,456 | [
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Endodontic therapy of traumatised teeth in children. | One of the most difficult problems met with in endodontic therapy for children is the traumatized anterior tooth whose root is still incomplete. In cases where the pulp is vital, treatment by pulp capping or pulpotomy is directed to preserving the vitality of the radicular pulp to ensure completion of root formation. C... | 270,463 | [
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Animal studies concerning the cariogenicity of dry breakfast cereals. | Four studies were performed in rats and hamsters concerning the cariogenicity of cereals and the role of sucrose in that process. The findings indicate that sucrose content per se does not necessarily reflect the cariogenic potential. Presweetened cereals were more conducive to the formation of smooth surface caries in... | 270,483 | [
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Evaluation of oral submucosal blood flow at dental injection sites by radioactive Xenon clearance in beagle dogs. | Oral submucosal blood flow was measured at dental injection sites in anesthetized dogs and compared with subcutaneous blood flow. Blood flow was calculated from the measured half-time for clearance of radioactive xenon dissolved in saline. By this method, oral submucosal blood flow was much greater than subcutaneous bl... | 270,486 | [
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In situ replication techniques: I. Preliminary screening and the negative replication technique. | Fourteen commercially available elastomeric materials were investigated for their suitability as in vivo replication media. After a preliminary screening on an annotated specimen, three materials were chosen for further study. Of all materials evaluated, Xantopren Blue and Silene silicone impression materials provided ... | 270,493 | [
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Surface antigen in early differentiation. | Addition of Fab fragments from rabbit antiserum to surface antigen F9 to 2-cell stage mouse embryos in culture does not alter cleavage; however, the addition prevents culture does not alter cleavage; however, the addition prevents the formation of compact morulae and blastocysts. A similar effect is observed when Fab f... | 270,688 | [
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Genes transcribed at diverse rates have a similar conformation in chromatin. | We have analyzed the DNA generated upon treatment of oviduct nuclei with pancreatic DNase I (deoxyribonucleate 3'-oligonucleotidohydrolase; EC 3.1.4.6), with cDNA copies of specific mRNA sequences to study the structure and organization of transcriptionally active genes in chromatin. In this report we examine the kinet... | 270,719 | [
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Chloroplast DNA distribution in parasexual hybrids as shown by polypeptide composition of fraction I protein. | Sixteen different mature interspecific parasexual hybrids, produced by fusing leaf protoplasts of Nicotiana glauca (G) and N. langsdorffii (L), were analyzed for fraction I protein (ribulose-1,5-bisphosphate carboxylase/oxygenase) which consists of large subunit polypeptides coded by chloroplast DNA and small subunit p... | 270,746 | [
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Dissociated ciliary ganglion neurons in vitro: survival and synapse formation. | Normally, about half of the ciliary ganglion neurons in 8-day-old chick embryos die before day 14 in ovo. However, when dissociated ciliary ganglion neurons were prepared from either 8- or 14-day-old embryos and grown in cell culture with skeletal myotubes, essentially all of the neurons survived for at least 3 weeks. ... | 270,756 | [
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Storage and release of acetylcholine by a clonal cell line. | The nerve cell line PC12, in its morphologically undifferentiated state, synthesizes, stores, and secretes catecholamines and acetylcholine. At least 60% of the basal level of neurotransmitter release is due to a calcium-dependent mechanism, and the rate of secretion is enhanced by increasing external potassium. A mini... | 270,759 | [
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[Superficial structure of dental cement as shown by acid etching and scanning electron microscope]. | The superficial layer of the cement is made up of a mineralised structure in which are included organic fibres which would seem to serve as the intracemental anchorage of Sharpey's fibre. The appearance seen on sweep electron microscopy after acid demineralisation confirm those seen using the electron microscope by Sel... | 270,801 | [
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[The eosinophilic granuloma in the jaw region]. | The eosinophilic granuloma is nowadays generally considered as a reticulosis associated with secondary lipoid storage. It occurs very rarely in the jaws. During a period of 10 years, we had but 5 inpatients with a central, monostotic, eosinophilic granuloma. Diagnostic difficulties result from atypical clinical, radiol... | 270,861 | [
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Marathon running and immunity to atherosclerosis. | This is an interim report of an on-going study of deaths in 42-km men. The absence of fatal ASCVD in these athletes can not be construed as evidence for the protective role of exercise alone. The ability to run 42 km depends on many factors. Exercise is only one. Avoiding tobacco is another. Dietary factors also play a... | 270,939 | [
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Use of a microprocessor in the control of malignant hypertension with sodium nitroprusside. | In a malignant hypertensive, steady control of blood pressure at a pre-determined level has been achieved with the continuous intravenous infusion of sodium nitroprusside. A microprocessor was programmed to assess the patient's blood pressure and adjust the rate of nitroprusside infusion so that a mean pressure of 106 ... | 270,994 | [
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Incidence of bone sarcoma in SW England, 1946-74, in relation to age, sex, tumour site and histology. | A study is presented of all cases of primary sarcoma of bone registered during the period 1946 to 1974 for a specified population resident in south-western England. Ninety-six per cent of the 365 cases were histologically and radiologically verified and are separated into 8 categories of sarcoma. The number of tumours ... | 271,010 | [
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Paraparesis following intrathecal cytosine arabinoside: a case report with neuropathologic findings. | A 65-year-old white male with acute myelogenous leukemia received whole brain irradiation (2550 rads) and intrathecal cytosine arabinoside for CNS prophylaxis. Bone marrow remission had been previously achieved with systemic chemotherapy (vincristine, Adriamycin, prednisone, and cytosine arabinoside). Two weeks followi... | 271,037 | [
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Inhibition of RNA and protein syntheses makes non-differentiating mouse myeloid leukemia cells sensitive to a factor(s) stimulating differentiation. | Treatment with ascitic fluid from animals bearing various tumors, can induce mouse myeloid leukemia line cells, M1, to differentiate in vitro into macrophages and granulocytes. Cells were isolated that were resistant to the ascitic fluid factor(s) stimulating differentiation (D-factor). The resistant cells became sensi... | 271,144 | [
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Glucocorticoid binding and mechanism of resistance in some clones of mouse myeloid leukemic cells resistant to induction of differentiation by dexamethasone. | Several clones of dexamethasone-resistant cells, which could not differentiate even in a high concentration of dexamethasone, were isolated from glucocorticoid-sensitive myeloid leukemic cells. Some of them were shown to be deficient in steroid binding to specific cytoplasmic receptors, while the others contained gluco... | 271,151 | [
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The case of the disappearing third molar. | A mandibular third molar moved into the lower border during a period of several years. When the patient experienced discomfort, an incisional biopsy and marsupialization were performed. Eight months later, adequate bone had regenerated and the molar and remaining cyst structure were removed. Full-mouth and panoramic ra... | 271,167 | [
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Clubbed fingers: indicators of serious disease. | Clubbed fingers were noted by a dentist in a woman patient having respiratory symptoms. He referred her to a physician to be examined for pulmonary disease. Bronchogenic carcinoma was diagnosed. | 271,169 | [
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Cephalometric observations in premature craniosynostosis. | Forty patients with premature craniosynostosis of variable extent and severity were subjected to cephalometry. The majority of the children and adolescents involved had undergone bilateral cranial fenestration at age 6 months to 11 years. Lateral cephalometric radiographs were used for analysis. The measurements obtain... | 271,189 | [
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Idiopathic bone cavities. | Nine cases of idiopathic bone cavities, also described as traumatic bone cysts, were discovered within a 15-month period. These lesions are obviously more prevalent than indicated by a perusal of the literature. | 271,207 | [
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Early recognition and treatment of the traumatically transected parotid duct: report of case. | The immediate treatment of a transected parotid duct has been presented along with a brief review of the literature. The importance of exploration of wounds in the facial area cannot be overemphasized, as early repair of a severed duct is of utmost importance for establishing its patency. | 271,210 | [
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Simultaneous radiation and drug therapy: tumor response and toxicity. | Three patients who received simultaneous radiation and chemotherapy are described. Increased tumor response and enhanced radiation reaction were observed. Simultaneous drug and radiation therapy may prove to be the treatment of choice for particular malignant tumors. More data concerning the magnitude of the toxic effe... | 271,263 | [
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Antimicrobial effects of N2 in vitro. | The antimicrobial effect of the root canal filling material N2 has been studied in vitro. Pulverized as well as intact set N2 inhibited the growth of the mixed bacterial flora of saliva or pure cultures of S. mutants and A. viscosus on blood agar for at least 100 days. Intact set N2 transferred daily to blood agar inoc... | 271,278 | [
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Frustration and temporomandibular joint pain. | The significance of frustration as a cause of temporomandibular joint pain is investigated through the use of bilateral electromyographic recording. Interpretation of both parametric and nonparametric data indicates the lack of relationship. The need for careful controls and the problems of psychologizing are discussed... | 271,287 | [
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Management of keratoconus with hard corneal lenses. The lens lid attachment technique. | Four modalities of corneal contact lens fitting in keratoconus have been considered: 1. The large alignment lens. 2. The large flat lens. 3. The small lens fitting flat on the apex of the cone. 4. The lens lid attachment technique. The lens lid attachment technique is considered in some detail and its particular merits... | 271,378 | [
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Contact lens in aphakia. | Aphakia may be said to be the best reason for contact lenses. All types are used--(hard) corneal lenses, soft lenses both for daily and extended wear, and even (hard) scleral lenses in exce,tional cases. At present all have their problems so that, although on theoretical grounds an extended wear lens would be ideal, th... | 271,382 | [
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Management of cataracts in infancy and childhood. | In recent years there has been a considerable improvement in our understanding of the mechanism of stimulus deprivation amblyopia and a continuous development of better surgical techniques for the removal of cataracts in very young patients. In spite of these advances and the fact that modern constant wear soft contact... | 271,384 | [
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Conservative management of central serous retinopathy. | A study of 26 patients (thirty attacks) with central serous retinopathy was made in order to assess the results of conservative management, and the factors which might affect the incidence of residual symptoms. There were two groups, one given systemic steroids and one given no treatment. Comparison is made with two gr... | 271,396 | [
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Traumatic cataract. | In many cases of trauma it is presence of cataract which denies the patient a good final visual result. Cataract may be caused by blunt or perforating injury. Intraocular foreign bodies may be held within the lens or pass through it. Lens opacities may also be caused by chemical burns and remote forces such as electric... | 271,404 | [
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[Anaemia with medullary myeloblastosis (author's transl)]. | A case of refractory anaemia with medullary myeloblastosis (RAMM) is described. RAMM is a very rare disease and its relationship to aplastic anaemia and smouldering leukaemia is not clearly established. The diagnosis is confirmed by evaluation of the bone-marrow aspirate and ferrokinetic studies which demonstrate ineff... | 271,427 | [
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Childhood pertussis and pneumonia admissions in the highlands of Papua New Guinea. | During a pertussis epidemic, the majority of children admitted with respiratory disease were under one year old and had pneumonia, with or without pertussis syndrome; heart failure was common. A greater proportion of those with 'pneumonia alone' were slightly older, were malnourished, were admitted earlier and recovere... | 271,431 | [
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Seven cases of Gilles de la tourette's syndrome: partial relief with clonazepam: a pilot study. | The histories of seven consecutive cases of Gilles de la Tourette's syndrome are presented to exemplify the range of clinical manifestations in this disease and to collate preliminary results with the new benzodiazepine, clonazepam, as possible adjuvant therapy of this disorder. Controlled trials with clonazepam alone ... | 271,517 | [
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[Lateral teleradiographic diagnosis of deep bite]. | 113 lateral teleradiographs of students were analysed by A. M. Schwarz's method of X-ray analysis inorder to clarify whether the occlusal position of a patient can be determined from gnathometric data and data relating to soft parts in the lateral teleradiograph with sufficient certainty. The relatively high proportion... | 271,570 | [
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0.0360295... |
[Fluorescence of dental ceramics by means of non-radioactive materials]. | In order to improve the aesthetics of dental ceramics under all lighting conditions, uranium and cerium are added as fluorescent additives. However, studies have shown that the fluorescent behavior of dental ceramics is still not identical to that of natural teeth in all cases. A further disadvantage of the use of uran... | 271,577 | [
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0.4225579,
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0.06128787,
0... |
[Comparative studies on panoramic radiographic (Panorex) and intra-oral radiographs]. | 27 patients with periodontal lesions were examined by Panorex layered film and 14 intra-oral dental X-ray films (Updegrave's long tube right angle technique). The result of this enquiry shows that the two radiological methods do not compete with one another. Each has advantages over the other which derive from fundamen... | 271,591 | [
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0... |
[Oral leukoplakia. II. Results of a year-long polyclinical pilot study]. | A pilot study was carried out on close on 4000 uniformly examined and documented patients of the Erlanger maxillo-facial Policlinic. This resulted in the extensive collection of data useful as a basis for future follow-up studies on leucoplakia patients. Leucoplakia was found in 123 patients (3,1%) including 7 precance... | 271,598 | [
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... |
Selected pain states and the use of anesthesia in dentistry. | Certain pain disorders may be difficult to diagnose because their presenting symptoms are confusing and difficult to classify, or because they occur so infrequently that they are not commonly considered. This article has presented a classification and discussion of selected pain states which the practitioner may find d... | 271,626 | [
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A simplified technique for fabricating a lightweight obturator. | Polyurethane foam was used as a core material in the fabrication of a lightweight obturator. This is a time-saving method of achieving a meaningful reduction in the total weight of a prosthesis while increasing strength and facilitating repair. | 271,714 | [
0.01372788,
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0.26... |
A safe crown-removal technique. | A method has been described that may help the dentist in removing ceramic-metal restorations that resist easy removal from the teeth during the fitting procedure and after temporary or final cementation. | 271,724 | [
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Procedural problems in using the Denar pantograph as a transfer-bow. | A method has been described for using zinc-oxide/eugenol paste as an interclutch support when the Denar pantograph is used as a transfer-bow. Using this technique a stable centric relation position can be maintained during the maxillary cast mounting procedure and the subsequent setting of the articulator to the pantog... | 271,731 | [
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0.2078412,
0.09648604,
0.4147923... |
[Correlation of the cytochemical classification of acute leukemia in children with the course of their disease (author's transl)]. | Acute leukemia in 93 children was cytochemically classified into three groups: 1. the PAS-Typ (acute undifferenciated leukemia) paramyeloblastic leukemia, 2. the AML, and 3. the Acid Phosphatase Typ (SP-Typ). Therapy for the first group differed from that for AML. The acid-Phosphatase-Typ was found in only a few cases,... | 271,764 | [
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[Etiopathogenetical, clinical and therapeutic considerations on meningo-encephalic localizations in acute lymphatic leukemias: personal contribution]. | The aetiology, pathogenesis, clinical forms and therapeutic attempts carried out in connection with the central nervous system localizations in acute lymphoblastic leukaemia, on the basis of an extensive review of the literature and of personal experience are examined. The particular role which central nervous system l... | 271,776 | [
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Accidental poisoning in children: a psychosocial study. | Fifty pre-school children thought to have ingested potentially poisonous substances were studied, together with 50 controls. An interview of each child and mother was undertaken in the home situation. Seven at-risk factors make a child more likely to ingest a toxic substance. These are: greater accommodation changes by... | 271,804 | [
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0.09... |
Endometrioma of the rectum: case report. | A case of endometrioma of the rectum is reported. This was clinically indistinguishable from a carcinoma. The difficulties of diagnosis and management are emphasised. | 271,857 | [
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0.01241123,
0.1126308... |
The susceptibility of New Zealand isolates of leptospira to three antibiotics. | The susceptibilities of 14 recent isolates of Leptospira to benzyl penicillin, tetracycline and minocycline, were tested. All strains were highly susceptible to penicillin. The minimum inhibitory concentrations (MIC) of the two tetracyclines were generally low, and no significant difference was found between them. | 271,882 | [
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Initial experience with endoscopic retrograde cholangiopancreatography: the role in clinical practice. | A series of 62 patients referred for endoscopic retrograde cholangiopancreatography is reported. The pancreatic or biliary ductular systems were demonstrated in 42, the success rate of cannulation improving with experience. The technique was diagnostic in 25 of 31 patients referred with hepatobiliary problems and in 3 ... | 271,898 | [
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0.08312353... |
Sites of transcription initiation in vivo on Xenopus laevis ribosomal DNA. | We report the results of a novel method for locating sites of transcription initiation using a complex of capping enzymes from vaccinia virions that catalyze the reaction pppG + S-adenosylmethionine + (p)ppXpYpZp..... -->(7m)GpppXpYpZp..... [Ensinger, M. J., Martin, S. A., Paoletti, E. and Moss, B. (1975) Proc. Natl... | 271,962 | [
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0.2622128,
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0.2217599,
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0.0... |
Hepatic mitochondrial cytochrome P-450: isolation and functional characterization. | A CO-binding heme protein was solubilized and partially purified from the inner membrane fraction of rat liver mitochondria by a modification of a method [Imai, Y. & Sato, R. (1974) Biochem. Biophys. Res. Commun. 60, 8-14] developed to purify cytochrome P-450 from liver microsomes. The partially purified preparatio... | 271,969 | [
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0... |
Histone H3 disulfide dimers and nucleosome structure. | The arginine-rich histone, H3, isolated from avian erythrocytes, can dimerize by forming a disulfide linkage between the single cysteine sulfhydryl residues at position 110 of the H3 polypeptide chain. The H3 dimer can be substituted for undimerized H3 in experiments in which the nucleosome is reconstituted from DNA an... | 271,975 | [
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Nerve growth factor prevents vinblastine destructive effects on sympathetic ganglia in newborn mice. | Vinblastine injections in newborn mice produce severe atrophy of sympathetic ganglia; after a 7-day treatment the ganglia are 80% reduced in volume. Histological examinations show that this effect is due to a marked decrease in the neuronal cell population. The most precocious ultra-structural alterations are localized... | 271,981 | [
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Transitions in collagen types during matrix-induced cartilage, bone, and bone marrow formation. | The localization of types I, II, and III collagens during bone matrix-induced sequential differentiation of cartilage, bone, and bone marrow was studied by specific immunofluorescence. Subcutaneous transplantation of coarse powders of demineralized rat bone matrix into allogeneic recipients resulted in new bone formati... | 271,986 | [
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0.09230202,
0.3347966,
0.1586554,
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Antigen-binding mutants of mouse myeloma cells. | A cultured mouse myeloma cell line, S107, that secretes an IgA phosphocholine-binding immunoglobulin has been cloned in soft agar and overlaid with phosphocholine-hemocyanin. Spontaneous mutants that secrete immunoglobulin with a decreased ability to precipitate antigen were detected with this plate assay and occur at ... | 271,995 | [
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0.2400309,
0.4810891,
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Demonstration of different contractile mechanisms for angiotensin II and des-Asp1-angiotensin II in rabbit aortic strips. | Evidence of selective inhibition, differences in dose-response relationships, and cross-tachyphylaxis studies suggest that separate receptors and/or mechanisms may be involved in responses to angiotensin (Ang), [Sar1]Ang II, and Ang III (= des-Asp1-Ang II). The extracellular Ca2+ requirement for contractile responses i... | 271,997 | [
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Distribution of 59Fe-labelled iron-poly(soribitol-gluconic acid) complex in normal and anaemic rats. | An iron carbohydrate complex, iron-poly(sorbitol-gluconic acid), Ferastral, was labelled with 59Fe, and its distribution in rats was studied. The animals were intramuscularly treated with a dose of 10 mg of iron/kg. Three groups of animals were used: group A: non-anaemic and group B: anaemic rats, both kept on iron-def... | 272,020 | [
-0.4119017,
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-... |
Studies on iron stores built up by an iron-poly (sorbitol-gluconic acid) complex, Ferastral, in man. Preliminary report. | The characteristics of iron stores built up by a new parenteral iron-poly (sorbitol-gluconic acid) complex, Ferastral, have been studied in iron depleted non-anemic blood donors. The results from studies on the first three subjects are presented. The availability of this storage iron for the chelator, desferrioxamine, ... | 272,027 | [
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0.3213335,
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... |
Studies on an iron-poly(sorbitol-gluconic acid) complex for parenteral treatment of iron deficiency anaemia. | A preparation containing an iron-poly(sorbitol-gluconic acid) complex for parenteral treatment of iron deficiency anaemia is described. The physical and chemical properties of the iron complex have been studied by using electrophoresis and gel permeation chromatography. A rapid absorption from the injection site after ... | 272,030 | [
-0.1831485,
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[On the growth characteristics of human osseous sarcoma metastases: mathematical calculations and clinical consequences (author's transl)]. | Metastases of osteosarcomas do not grow according to a simple exponential function, but rather according to a type of Gompertz' function where flattening with a tendency toward plateau formation sets in after a certain time. This deviation from an exponential growth type corresponds to a substantial increase in the ini... | 272,086 | [
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0.5260783,
0.1417209,
0.02021185,
... |
Chromosomes and causation of human cancer and leukemia: XXVIII. Value of detailed chromosome studies on large numbers of cells in CML. | Comparison of the chromosome findings obtained on routine examination (10-50 cells) of the marrows from patients with Ph1-positive CML with those based on a large number (110-500 cells) of metaphases in six of these patients, in whom appropriate material was available, revealed the presence of small percentages of aneu... | 272,120 | [
-0.04328313,
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0.187528,
0.2981316,
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0.06996702,
0.4636267,
0.1694252,
0.05089577,
0.... |
The value of reverse banding in detecting bone marrow chromosomal abnormalities: translocation between chromosomes 1, 9, and 22 in a case of chronic myelogenous leukemia (CML). | A case of chronic myelogenous leukemia (CML) with complex chromosomal abnormalities is reported. Conventional staining techniques indicated incorrectly that the Ph1 chromosome was not present. These studies showed a 46,XY,-1,+C karyotype in all bone marrow cells. Employing RFA (R bands by fluorescence using acridine or... | 272,121 | [
-0.1787572,
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0.400272,
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A radiographic study of tongue posture at rest and during the phonation of /s/ in class III malocclusion. | In this investigation a group of individuals with Angle Class III malocclusions were studied radiographically to determine their tongue posture at rest and during phonation of /s/. Their speech and hearing was also evaluated. All of the subjects had normal hearing, while eleven of the twelve in the group showed some de... | 272,127 | [
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Endo- and exoglycosidases in an experimental rat osteosarcoma. | Glycosidases capable of degrading intercellular matrix components were investigated in a 32P induced rat osteosarcoma. Homogenates of ossifying tumour were shown to readily degrade hyaluronic acid, chondroitin sulphates 4 and 6 but not dermatan sulphate. High levels of the exoglycosidases, beta-glucuronidase and beta-N... | 272,164 | [
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0.6081424,
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The significance of the Philadelphia chromosome in acute lymphoblastic leukaemia: a report of two cases. | Two cases of Philadelphia chromosome (Ph1) positive acute lymphoblastic leukaemia are reported, both of which lost the Philadelphia chromosome during remission. In one patient remission of the acute lymphoblastic leukaemia continued but classical Ph1 positive chronic granulocytic leukaemia developed. In the other patie... | 272,203 | [
-0.05852718,
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0... |
Differences in the size of the palatal processes in mouse embryos with cleft palate induced in two critical periods. | Using planimetric measurements of projections of the space between the palatal processes of ICR-Velaz mouse embryos, we indirectly demonstrated that the pre-horizontalization size of the palatal processes after the i.m. administration of 7.5 mg cortsone acetate on the 12th day of gestation was smaller than in the contr... | 272,236 | [
-0.1848904,
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0.3230664,
0.2001391,
0.192501... |
Lip adhesion and its effect on the maxillofacial complex in complete unilateral clefts of the lip and palate. | The use of a lip adhesion as part of the treatment program for wide complete clefts of the lip and palate is gradually being accepted. Heretofore, little mention has been made as to its actual beneficial effects. Since the introduction of this procedure by our Group in 1966, it has been used routinely by us. Its effect... | 272,239 | [
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... |
Craniofacial and dental characteristics of cartilage-hair hypoplasia. | The cranio-facial and dental features were studied by means of roentgencephalometry and anthropometry in 24 patients with cartilage-hair-hypoplasia. Data pertaining to the cranial base were considered indicative of subnormal growth in some of the cranial synchondroses. The width of the neurocranium was slightly below t... | 272,241 | [
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0.3310396,
0.1041652,
0.224902... |
Videoendoscopic feedback in training velopharyngeal closure. | Each of two adolescents with velopharyngeal closure deficits was taught to position him or herself on an endoscope attached to a television camera and to observe the velopharyngeal port during the production of syllables and other units. The videoendoscope was then used as a training apparatus, and each subject was giv... | 272,243 | [
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0.5136591,
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... |
Betal chewing and caries experience in New Guinea. | The prevalence of dental caries and variables relating to the betel-chewing habit were examined in a sample of 301 rural New Guineans aged 12--24 years. Consistent inverse associations were demonstrated between caries experience and the intensity of betel chewing for individuals and aggregates of subjects. The results ... | 272,254 | [
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0.5061007,
0.02151944,
0.1... |
Effect of professional toothcleansing every third week on gingivitis and dental caries in children. | A previous paper reported on the 1-year effect on dental caries and gingivitis of biweekly professional toothcleansing. The purpose of this study was to evaluate the influence of a change from 2 to 3 weeks in the interval between the professional toothcleansings during the 2nd year. The DMFS increment during the 2nd ye... | 272,263 | [
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0.01301713,
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0.3821275,
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Son-sire-regression based heritability estimates of chiasma frequency, using T70H mouse translocation heterozygotes, and the relation between univalence, chiasma frequency and sperm production. | T(1;13)70H/+ translocation heretozygous mice were used for assessing heritability values for chiasma frequencies and the epididymal sperm count. The chiasma frequency estimates were based on 15 son-sire pairs, the translocation heterozygotes being maintained in a Swiss random-bred genetic background. The chiasma freque... | 272,363 | [
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0.04761428,
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Effects of an argon laser on the crystalline properties and rate of dissolution in acid of tooth enamel in the presence of sodium fluoride. | Upon exposure to laser radiation, enamel powder mixed with NaF underwent an increase in crystallite size and/or perfection with a significant uptake of fluoride. Incisor teeth lased in the presence of NaF released significantly less calcium and phosphorus into sodium acetate (pH 4.0) compared with unlased controls, sug... | 272,381 | [
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0.3340282,
0.3239837,
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Collagen biochemistry of the two layers of carious dentin. | The amino acid composition and intermolecular cross links of collagen fibers in the two layers of carious dentin, differentiated by a 0.5% basic fuchsin-propylene glycol-stain, were biochemically investigated. No difference in the pattern of amino acid composition of collagen fibers was found between the first and seco... | 272,387 | [
0.1057639,
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Association between HLA-antigens and periodontal disease. | Patients with periodontitis juvenilis and patients with periodontitis were tissue typed. In the juvenile group, frequencies of tissue type specificities HLA-A9, HLA-A28, and HLA-BW15 were significantly increased as compared to the findings in the general population. In the periodontitis groups, no significant tissue ty... | 272,392 | [
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0.3764349,
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Physical properties of dental silver-tin amalgams with high and low copper contents. | Newly developed amalgams such as Tytin, Sybraloy, and Dispersalloy had low static creep, high compressive strength, and similar values for both diametral tensile strength and dimensional change in comparison with conventional amalgams such as Kerr Spheraloy, Caulk Spherical, Shofu Spherical, and Caulk 20th Century Micr... | 272,427 | [
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0.07... |
Plasma cell leukemia: response to conventional myeloma therapy. | A 76-year-old man with plasma cell leukemia was treated with L-phenylalanine mustard and prednisone (CLGB 7461). There was good partial remission of the plasma cell disease characterized by disappearance of the plasma cells in the peripheral blood, reduction of plasma cells in the marrow aspirates to less than 5% of th... | 272,434 | [
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0.3028867,
0.3683329,
0.2699638,
-0.1450809... |
Interferences and recovery of digitalis glycoside preparations using commercial radioimmunoassay kits for digoxin and digitoxin. | The authors compare and discuss sensitivity and reproducibility of commercial RIA kits of digoxin and digitoxin commonly used in routine hospital laboratories and in emergency. Cross reactivity and recovery of these kits with different digitalis preparations currently prescribed in medical practice are studied with a v... | 272,436 | [
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... |
The development of an artificial saliva for in vitro amalgam corrosion studies. | Published data, consideration of chemical and physical properties and the requirements of amalgam corrosion testing were used to formulate an artificial saliva. A previously described method was used to determine the relevance of a number of human saliva constituents. Some results of those tests are described. Practica... | 272,442 | [
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0.1464727,... |
Orbital decompression and infraorbital augmentation for correction of exophthalmos secondary to Cruzon disease. | Facial deformity secondary to Crouzon disease may include exophthalmos and midfacial hypoplasia. If there is no dental malocclusion, treatment may consist of transantral orbital decompression and infraorbital augmentation with custom-made Silastic implants. | 272,460 | [
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... |
Destruction of circulating leukemia cells by phagocytosis in rats with myelogenous leukemia. | Acute myelogenous leukemia was induced in outbred Long-Evans rats by iv injections of leukemia cells from a subcutaneous tumor of Shay myelogenous leukemia. In rats with this leukemia the peripheral white blood cell (WBC) counts varied from 2.4 to 700 X 10(9)/liter. No differences were found in the bone marrow of the r... | 272,468 | [
0.1855066,
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0.2016238,
0.4201553,
0.1741837,
... |
[Enzyme activities in platelets of different specific gravity in thrombocytosis of various etiology (author's transl)]. | Platelets of patients with thrombocytosis following splenectomy, in chronic granulocytic leukaemia and in polycythaemia vera were separated into five fractions by centrifugation in discontinuous Ficoll density gradient. Platelet volume, content of protein and enzyme activities of lactic dehydrogenase, phosphoglycerate ... | 272,477 | [
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0.2359098,
0.4049283,
0.0667731,
-0.2256297,
... |
Skin infections in Kaimai Rail Tunnel construction workers. | Skin lesions in Kaimai Rail Tunnel workers were noted to respond poorly to treatment and investigations revealed that this was because the lesions were either gram-negative infections or Trichophyton rubrum infections. | 272,510 | [
0.09149092,
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0.1404005,
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0.01880858,
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0.3064067,
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0.3333581,
0.1601192... |
The needs of the intellectually handicapped. | There are about 10 000 intellectually handicapped people in New Zealand. Most are fit, healthy, mobile adults with individual needs and the same rights as other citizens. Most can be trained to live semi-independent lives, living within the community in family-type homes, flats or small hostels, provided properly organ... | 272,529 | [
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0.1076865,
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0.2790031,
-0.4454145,
-0.01224286,
-0.184889,
0.340348,
-0.01128985,
... |
Community health screening in Taumarunui. | Males and females 30 years and over were invited to participate in a community health screening project. Thirty percent of the target population did so. They were questioned on personal and family medical history, smoking and drinking habits and occupation. Height, weight, blood pressure and ECG were recorded. Haemoglo... | 272,535 | [
0.0526561,
0.2032499,
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0.1696717,
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0.3384238,
0.001529387,
0.03040806,
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0.3023986,
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... |
Pulmonary nocardiosis associated with primary nocardial infection of the oral cavity. | A case of pulmonary nocardiosis associated with primary nocardial infection of the oral cavity in a compromised host is presented. Nocardia asteroides, an aerobic, gram-positive, branching, filamentous fungus, was demonstrated in the sputum and in pathologic specimens from gingival sulci stained by Gram's method and th... | 272,602 | [
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0.1827826,
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0.3365911,
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0.08112984... |
Possibility of nonkinked packing of DNA in chromatin. | The idea that DNA in chromatin can be packed smoothly, without breaking of base-stacking interactions, has been explored by both energetical estimations and stereochemical model building. A model of deformed DNA is built that fits reasonably to the known dimensions of a nucleosome. The model has slightly changed torsio... | 272,625 | [
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0.1077109,
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0.06964948,
0.3970372,
0.05354591,
-0.1657775... |
pppA2'p5'A2'p5'A: an inhibitor of protein synthesis synthesized with an enzyme fraction from interferon-treated cells. | A low molecular weight inhibitor of cell-free protein synthesis effective at subnanomolar concentrations is formed on incubation of cytoplasmic extracts from interferon-treated cells with double-stranded RNA and ATP. It can be conveniently synthesized by incubating a poly(I).poly(C)-Sepharose-bound enzyme fraction from... | 272,640 | [
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0.04114509,
0.2167252,
0.3591232,
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0.... |
Stochastic theory of ligand migration in biomolecules. | When ligand binding to proteins involves the presence of more than one ligand inside a given biomolecule, linear deterministic rate equations become useless. A stochastic approach, however, permits a treatment of the migration and binding of small molecules to proteins even at high ligand concentrations. An appropriate... | 272,641 | [
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0.1887988,
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0.3151022,
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-0.094... |
Macromolecular shape and surface maps by solvent exclusion. | A quantitative function equivalent to the "molecular" surface proposed by F. M. Richards [(1977) Annu. Rev. Biophys. Bioeng. 6, 151--176] is defined by the closest approach of solvent spheres to a macromolecule. The function can be used to visualize surface topography, polarity, and charge either as a three-dimensional... | 272,646 | [
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0.1281475,
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0.05875933,
0.3453926,
-0.01691251,
-0.069954... |
Structure of the orgin of DNA replication of bacteriophage fd. | An RNA-polymerase-protected DNA fragment of 125 nucleotides from the origin of single-strand to double-strand replication of bacteriophage fd (ori-DNA) was located on the physical map of the phage genome. A stretch of 187 base pairs of DNA including the ori-DNA was sequenced. This DNA segment contains regions with a hi... | 272,666 | [
-0.1053156,
0.005040891,
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0.05029342,
0.02162538,
0.07353779,
0.2648015,
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... |
[Costal vascularization and pediculated costal grafts in mandibular reconstruction with intercostofacial microanastomosis]. | As an applied study of the human costal vascularisation, the authors describe the technique of costal graft in the reconstruction of the mandible with intercosto-facial micro-anastomosis. The accent is placed upon the value of these grafts. They describe the methods for determination of the survival of the vascularised... | 272,715 | [
-0.1571496,
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0.05226444,
0.08752814,
0.0176647,
0.4589571,
-0.05593544,
0.1208081... |
[The system and realization of orthodontic treatment in Sweden]. | The need for treatment is subdivided into 4 degrees of severity. Nearly 12% of the 7-16-year-old children and adolescents are in urgent need of treatment. The mean duration of treatment (per patient and year) is 4.2 hours. From this it is calculated that 1 orthodontist will be required for 24,000 residents or for 3,500... | 272,789 | [
0.02546868,
0.3133536,
0.05527603,
0.1445334,
0.1656498,
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0.06500036,
0.1068042,
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0.4495542,
-0.414176,
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0.5942703,
0.2427644,
-0.1540981... |
[Indication and realization of orthodontic extraction therapy]. | In establishing the indication for extraction therapy, careful consideration should be given to the unharmonious relationship of the jaw and teeth, the apical bone, the anlage of the wisdom teeth and hypodontia. Beginning with the narrow, contracted dental arch, where extractions are indicated most frequently, the diff... | 272,791 | [
-0.2947851,
0.5711517,
0.2033359,
0.009093178,
0.1374488,
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0.3298448,
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0.3188954,
0.02251909,
-0.02792007,
... |
Management of chronic myelocytic leukemia in pregnancy by cell pheresis. | Cell pheresis was employed in the initial management of a pregnant patient with chronic myelocytic leukemia (CML). Reduction in circulating leukocyte and platelet counts was evident after two weeks of therapy. This technique is an effective mode of management of the pregnant patient with CML and may play an important t... | 272,800 | [
-0.06096779,
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0.2594194,
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0.1773438,
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0.08619722,
0.3982266,
0.3332691,
0.01357339... |
Effect of glucocorticosteroids on the release of prostaglandin-like substances in anaphylaxis. | During anaphylactic reactions there are released thromboxane A2 and/or prostaglandin-like substances from perfused guinea pig lungs and from incubated fragments of guinea pig mesentery. Prostaglandin-like substances appear also in mixed venous blood of anaesthetized cats following an intravenous injection of rabbit blo... | 272,844 | [
-0.06374033,
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0.1391094,
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0.003228599,
0.1036687,
0.401565,
0.084172,
0.3065682,
-0.1478275,
... |
Nocturnal intragastric infusion of glucose in management of defective gluconeogenesis with hypoglycemia. | Three children with defective gluconeogenesis and hypoglycemia were treated with frequent daytime feeding and continuous intragastric infusion of glucose at night. By this technique, the blood glucose level was maintained at or slightly above the physiological range. Secondary lacticacidemia, hyperlipidemia, hyperurica... | 272,848 | [
-0.05229058,
0.1508142,
-0.3850912,
-0.3436113,
0.1690567,
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0.008994965,
0.1949923,
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0.1356349,
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-0.3196329,
-0.005674685,
0.1934171,
0.008263996,
0.144419... |
Sarcoidosis following adjuvant high-dose methotrexate therapy for osteosarcoma. | A patient who had undergone amputation and adjuvant chemotherapy with methotrexate doxorubicin hydrochloride for osteosarcoma of the femur later developed granulomatous hilar and paratracheal lymphadenopathy and multiple pulmonary nodules. Biopsy of the nodules showed noncaseating granulomas typical of sarcoidosis. Hil... | 272,865 | [
-0.1624784,
-0.00332715,
-0.095059,
-0.4069992,
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0.1439272,
0.1163585,
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0.1193017,
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0.06977123,
0.1550273,
0.2514977,
-0.01790048,
-0.007435018,
0.100182... |
A preliminary study of the dynamics of resolution of experimental haematomas: radioisotope studies in animals. | A preliminary investigation was carried out in order to establish a method for the study of experimental haematomas. For this purpose haematomas were produced in rabbits by subcutaneous injection of rabbits' own blood after labelling the various blood components with appropriate radioisotopes. In addition, radioisotope... | 272,921 | [
-0.1103318,
-0.09495986,
-0.2645253,
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0.06970032,
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0.04829543,
0.3576018,
0.06714696,
-0.01078706,
-0.089675... |
Aneurysmal bone cyst of the zygomatic arch. | A case is described of an aneurysmal bone cyst which, because of its normal anatomical location, caused considerable difficulties in diagnosis and clinical management. The literature concerning aneurysmal bone cysts of the jaw is reviewed and the pathogenesis of this rare but interesting lesion is briefly discussed. | 272,924 | [
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-0.2270005,
0.1523483,
0.1054844,
-0.1766324,
0.30674,
-0.08318814,
-0.007520... |
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